A main panel upgrade, in the context of solar installations, involves replacing or upgrading a building’s main electrical panel (also known as the circuit breaker box) to support the demands of a new solar energy system.

This upgrade is often necessary when the current panel is outdated, undersized, or otherwise unable to handle the additional electrical load that solar power introduces. In such cases, upgrading ensures the system can operate safely and efficiently.

The process typically includes installing a larger electrical panel designed to support higher capacity. It may also involve adding new circuit breakers, wiring, and other electrical components to meet safety and performance standards.

Upgrading the main panel is a critical part of preparing a building for solar energy. It ensures the electrical infrastructure is compatible with the system’s requirements. This work is usually carried out by a licensed electrician and may be mandated by local codes or regulations.

The main service panel (MSP), also referred to as the electrical service panel or circuit breaker panel, is the central hub for distributing electrical power within a building or home. It serves as the main entry point for electricity from the utility company and directs power to various circuits throughout the structure.

This panel houses circuit breakers or fuses that protect the electrical system by preventing overloads and short circuits. Each breaker is typically labeled to indicate the area or appliance it controls. MSPs are commonly located in basements, garages, or utility rooms.